The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2008
Filed:
Nov. 28, 1996
Applicants:
Per Lindskog, Alvsjo, SE;
Per Gustafson, Huddinge, SE;
Björn Ljungberg, Enskede, SE;
Åke Östlund, Hägersten, SE;
Inventors:
Per Lindskog, Alvsjo, SE;
Per Gustafson, Huddinge, SE;
Björn Ljungberg, Enskede, SE;
Åke Östlund, Hägersten, SE;
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2005.12); C23C 16/30 (2005.12);
U.S. Cl.
CPC ...
Abstract
A coated turning insert particularly useful for turning in stainless steel is disclosed. The insert is characterized by a WC—Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a coating including an inner layer of TiCNOwith columnar grains followed by a layer of fine-grained, κ-AlOand a top layer of TiN. The layers are deposited by using CVD methods.